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Looking for aftermarket parts to modify or upgrade your 2004 Avanti II with belts - timing, accessory? At Tunersports.com we carry a huge selection of the top name brand performance belts - timing, accessory parts and accessories.
 IN STOCK 54021The GM LS engines with the factory spring loaded belt tensioners become prone to throwing belts when used in performance Applications and with aftermarket balancers. These bolt-on Billet LS Belt Tensioners are a fully adjustable solution for controlling potentially damaging resonance and maintaining... COMP Cams Belt Tensioner W/Idler GM LS 2001-2004 Avanti II Base $227.29 |